package net.minecraft.block;

import net.minecraft.dispenser.BehaviorDefaultDispenseItem;
import net.minecraft.dispenser.IBehaviorDispenseItem;
import net.minecraft.inventory.IInventory;
import net.minecraft.item.ItemStack;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.tileentity.TileEntityDispenser;
import net.minecraft.tileentity.TileEntityDropper;
import net.minecraft.tileentity.TileEntityHopper;
import net.minecraft.util.BlockPos;
import net.minecraft.util.EnumFacing;
import net.minecraft.world.World;

public class BlockDropper extends BlockDispenser {
	private final IBehaviorDispenseItem dropBehavior = new BehaviorDefaultDispenseItem();

	protected IBehaviorDispenseItem getBehavior(ItemStack stack) {
		return this.dropBehavior;
	}

	/**
	 * Returns a new instance of a block's tile entity class. Called on placing the
	 * block.
	 */
	public TileEntity createNewTileEntity(World worldIn, int meta) {
		return new TileEntityDropper();
	}

	protected void dispense(World worldIn, BlockPos pos) {
		BlockSourceImpl blocksourceimpl = new BlockSourceImpl(worldIn, pos);
		TileEntityDispenser tileentitydispenser = (TileEntityDispenser) blocksourceimpl.getBlockTileEntity();

		if (tileentitydispenser != null) {
			int i = tileentitydispenser.getDispenseSlot();

			if (i < 0) {
				worldIn.playAuxSFX(1001, pos, 0);
			} else {
				ItemStack itemstack = tileentitydispenser.getStackInSlot(i);

				if (itemstack != null) {
					EnumFacing enumfacing = (EnumFacing) worldIn.getBlockState(pos).getValue(FACING);
					BlockPos blockpos = pos.offset(enumfacing);
					IInventory iinventory = TileEntityHopper.getInventoryAtPosition(worldIn, (double) blockpos.getX(),
							(double) blockpos.getY(), (double) blockpos.getZ());
					ItemStack itemstack1;

					if (iinventory == null) {
						itemstack1 = this.dropBehavior.dispense(blocksourceimpl, itemstack);

						if (itemstack1 != null && itemstack1.stackSize <= 0) {
							itemstack1 = null;
						}
					} else {
						itemstack1 = TileEntityHopper.putStackInInventoryAllSlots(iinventory,
								itemstack.copy().splitStack(1), enumfacing.getOpposite());

						if (itemstack1 == null) {
							itemstack1 = itemstack.copy();

							if (--itemstack1.stackSize <= 0) {
								itemstack1 = null;
							}
						} else {
							itemstack1 = itemstack.copy();
						}
					}

					tileentitydispenser.setInventorySlotContents(i, itemstack1);
				}
			}
		}
	}
}
